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Kill Weeds for Lawn: 7 Proven Methods to Try for 2023

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how to kill weeds in lawnIt’s no surprise that weeds can be a nuisance to your lawn. Whether it’s dandelions, clover, or crabgrass, these pesky plants seem to pop up faster than you can get rid of them. If you want to know how to kill weeds in your lawn without harming the grass, there are several methods that work well with both cool and warm-season grasses.

Key Takeaways

  • Regular mowing, fertilizing, and overseeding are effective methods for controlling common lawn weeds.
  • The application of corn gluten meal in late March to mid-April can prevent weed germination and promote a healthy lawn.
  • Selective herbicides should be applied from April to September to target specific weeds without harming the surrounding grass.
  • While vinegar can kill weeds, caution should be exercised as it may also damage the grass. Boiling water is not a long-term solution for killing weeds as it only kills the top of the weed, not its roots.

Dig Weeds Up by Hand

how to kill weeds in lawn 1
Removing weeds from your lawn by hand is an effective option; however, it’s important to make sure you remove the entire root system of perennial weeds such as dandelions and plantain.

To ensure weed removal success, use a tilling fork or square inch shovel around each weed and dig down at least 6 inches. Keep in mind that after removing one type of weed another may take its place if lawn maintenance is not done properly.

Aerating your soil will help reduce compaction and discourage future growth while fertilizing helps restore nutrients lost when pulling out stubborn roots. For more targeted control methods, using herbicides can provide excellent results but are often only necessary for larger infestations or persistent types like crabgrass.

Lawn mowers should be set high enough so they don’t scalp grass but short enough that they cut off most of the emerging flower heads before seeds disperse into other areas of your yard – bagging grass clippings also prevents further spreading!

Lastly, avoid using vinegar or boiling water on grassy areas – these solutions may kill existing plants but won’t stop new ones from sprouting up again soon after treatment ends!

Improve Lawn Health

Improve Lawn Health
Improving the overall health of your lawn will help you keep pesky weeds at bay. Fertilizing with a high-quality starter fertilizer and overseeding can promote healthy grass growth. Mulching instead of bagging clippings can prevent weed seeds from spreading. Sprinkling corn gluten meal on turf also suppresses the germination of daisies, buttercups, clover, and other perennial weeds.

A healthy lawn is less likely to experience problems with weed control. However, if needed, there are best ways to deal with them during April – September when products are most effective against crabgrass or larger infestations.

Maintain Regular Mowing

Maintain Regular Mowing
Maintaining a regular mowing schedule can help keep your lawn weed-free and lush, like a green carpet for your garden.

Mulching benefits the soil by providing essential nutrients while also preventing weed seeds from spreading. Regular fertilizing with high-quality starter fertilizer is ideal for promoting healthy grass growth to fight off weeds more effectively than herbicides alone.

Pre-emergent herbicides are an alternative option that targets specific types of weeds without harming nearby grass blades or other plants in their vicinity.

Overseeding with fresh grass seed will thicken up existing turf so there’s no room left for pesky invaders – ensuring beautiful results every time you step outside into nature’s own living space!

Prevent Weed Germination With Corn Gluten Meal

Prevent Weed Germination With Corn Gluten Meal
The use of corn gluten meal is a great way to prevent weed germination and keep your lawn looking healthy. This natural fertilizer works by inhibiting distribution patterns of weed seeds in the soil, making it an effective choice for reducing unwanted plant matter in your garden.

When applying this product, be sure to take into account the type and application rate recommended by the Royal Horticultural Society. Also, consider which types of weeds may be present on your property and how healthy the lawn currently is before taking any action.

By following these steps carefully, you can ensure that you’re using corn gluten meal correctly and effectively while also maintaining a lush green space without pesky intruders!

Here are five tips for getting started:

  1. Research what weeds are common on your property.
  2. Determine what kind of soil exists around where you plan to apply corn gluten meal.
  3. Follow application rates provided by experts.
  4. Consider other methods if needed to reduce existing weed growth in addition to preventing new ones from sprouting up.
  5. Monitor progress over time so that future treatments can be adjusted accordingly based on changing conditions or emerging issues.

Promote Healthy Grass Roots With Aeration

Promote Healthy Grass Roots With Aeration
Aeration is an essential way to give your lawn the oxygenating boost it needs for healthy grass roots and weed suppression. Preventative aeration can be achieved by using a core aerator or spike aerator. Both of these tools help reduce soil compaction and promote air circulation.

When combined with corn gluten meal, broadcast spreaders, topsoil application (approximately one inch), and seeding with quality grass seed, you can get great results in inhibiting weed growth while encouraging lush green space that is nourished from within.

The use of a core aerator helps break up compacted soils so water and nutrients have direct access to the root system without interference from weeds or excess surface debris like clippings or leaves.

Additionally, when used as part of a regular maintenance program, these tools should be employed every two to three years, depending on traffic patterns around your home/garden area.

Use Selective Weed Killer

Use Selective Weed Killer
You can selectively suppress weeds in your lawn by using specialized herbicides. Taking preventative care to identify and control potential weed growth is the best way to keep a healthy, lush lawn.

There are several safe solutions available for effective weeding:

  1. Pulling or digging out the unwanted plants by hand.
  2. Using general-purpose weed killers that target broadleaf weeds without damaging surrounding grasses.
  3. Applying selective herbicides formulated specifically for certain types of weeds like dandelions or crabgrass.
  4. Treating with pre-emergent products that create an invisible barrier on top of the soil, preventing seeds from germinating.
  5. Regularly applying fertilizers to precious grasses while mowing at recommended heights helps maintain a healthy turf environment. This discourages weed growth and keeps them from taking over your entire yard!

With these options in mind, you can make sure your lawn has all its needs met when it comes to controlling pesky invaders.

Can Vinegar Kill Weeds Without Harming Grass?

Can Vinegar Kill Weeds Without Harming Grass?
Vinegar can be an effective weed suppressant, but it’s important to note that it may also damage your grass. Ruth Hayes from the University of Missouri Extension states that vinegar is a strong acid and applying it directly to weeds will kill them.

However, this method won’t prevent regrowth as the roots remain in place and could cause water pollution if used excessively or incorrectly.

For unwanted weed growth on lawns or areas with healthy grass, selective herbicides are recommended which target specific types of weeds without harming surrounding turfgrass species. It’s best to check with your local garden center for advice when dealing with large-scale infestations as these products should not be overused due to their potential toxicity levels in soil systems over time.

Vinegar can help manage certain weed problems but caution must be taken so no harm comes onto any valuable plants you may have growing nearby!

Does Boiling Water Kill Weeds?

Does Boiling Water Kill Weeds?
Boiling water can seem like an attractive option to tackle weeds, but it’s actually a short-term solution that won’t solve the issue for good – akin to putting a bandaid on a broken leg. The effects of boiling water are limited, and weed regrowth is likely due to its inability to reach the roots.

Plus, safety concerns should be taken into account when using this method as most lawns contain various types of weeds requiring different treatment methods.

To achieve lasting results and maintain healthy lawns free from annual and perennial weed varieties, strengthening grass health with fertilizer or overseeding combined with adding layers of corn gluten meal is recommended instead.

Selective herbicides may also play an important role in controlling certain types of weeds without causing damage or harm to other plants growing nearby.

Rake and Till the Soil

Rake and Till the Soil
Raking and tilling the soil can help rid your garden of pesky weeds, while promoting healthy grass growth. It’s a hard job, but it’s worth the effort to achieve a lush lawn with fewer weeds.

Aerating the soil by breaking it up in different directions helps improve its quality and moisture levels, which are essential for weed prevention.

If you want complete control over any future outbreaks, then adding regular lawn care into your maintenance regime is key.

With these simple yet effective steps taken, you’ll have taken back power over maintaining beautiful gardens without compromising on safety – all thanks to this proactive approach towards managing weed infestations!

Prepare and Plant New Grass Seeds

Prepare and Plant New Grass Seeds
Prepare your lawn for a successful season of growth by planting new grass seeds and fertilizing the soil! The best way to achieve an otherwise spotless lawn is through proper soil preparation, selecting quality grass seed, watering techniques, and fertilizer application.

To make sure you’re on the right track with your lawn maintenance routine, research what type of turfgrass will work best in your climate zone. Once you’ve chosen a seed variety that works well for you, it’s time to begin preparing the area by tilling or raking up any weeds or debris from previous growing seasons.

The next step would be spreading out uniformly over the prepared area using either a manual spreader or a mechanical one – whichever better suits the needs of the individual gardener or lawn caretaker.

Finally, don’t forget about regular watering as this can also play a significant role in a single growing season’s success when trying to get rid of pesky weed infestations – especially when combined with a range of weed killers available out there!

With just a few simple steps taken above, one can easily take back power over maintaining beautiful gardens without compromising on safety!

Frequently Asked Questions (FAQs)

What are the most common lawn weeds?

The most common lawn weeds are daisies, buttercups, clover, and moss. These pesky plants can quickly take over your yard if not managed properly. Control them with regular mowing, fertilizing, and overseeding for a healthier lawn that discourages weed growth.

How often should I apply corn gluten meal to prevent weed germination?

Corn gluten meal should be applied every spring, from late March to mid-April, for the most effective weed prevention.

Is there a safe way to kill weeds using vinegar?

Vinegar can kill weeds, but it will also harm your grass. As the old adage goes, nothing worth having comes easy, so you need to consider carefully before attempting this method.

How effective is boiling water in killing weeds?

Boiling water can kill the top of a weed, but not its roots. This means weeds may return unless their root system is removed.

What is the best time of year to apply a selective weed killer?

The best time to apply a selective weed killer is April through September. Aeration during this period can help reduce weeds and promote healthy grass growth. Corn gluten meal applied in late March or early April has been proven effective against crabgrass germination.


In conclusion, it is possible to keep weeds out of your lawn with a few simple steps. Take the time to dig weeds up by hand. Improve lawn health by mowing regularly and applying corn gluten meal. If you need to use a weed killer, make sure to select one that is safe for grass.

Keep in mind that vinegar and boiling water can kill weeds, but they may also damage the grass. Lastly, rake and till the soil, and plant new grass seeds to ensure a healthy, weed-free lawn. Take the time to properly care for your lawn, like putting a blanket of protection around your grass.

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Mutasim Sweileh

Mutasim is a published author and software engineer and agriculture expert from the US. To date, he has helped thousands of people make their yards lush and thick.